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Date:   Tue, 9 Jul 2019 09:29:19 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Dave Airlie <airlied@...ux.ie>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jani Nikula <jani.nikula@...el.com>,
        Chris Wilson <chris@...is-wilson.co.uk>
Subject: Re: linux-next: manual merge of the drm tree with the kbuild tree

Hi all,

On Wed, 19 Jun 2019 14:19:49 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> Today's linux-next merge of the drm tree got a conflict in:
> 
>   drivers/gpu/drm/i915/Makefile.header-test
> 
> between commit:
> 
>   e846f0dc57f4 ("kbuild: add support for ensuring headers are self-contained")
> 
> from the kbuild tree and commits:
> 
>   112ed2d31a46 ("drm/i915: Move GraphicsTechnology files under gt/")
>   d91e657876a9 ("drm/i915: Introduce struct intel_wakeref")
>   aab30b85c97a ("drm/i915: ensure more headers remain self-contained")
>   b375d0ef2589 ("drm/i915: extract intel_vdsc.h from intel_drv.h and i915_drv.h")
> 
> from the drm tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> -- 
> Cheers,
> Stephen Rothwell
> 
> diff --cc drivers/gpu/drm/i915/Makefile.header-test
> index 639b596a06a9,3a9663002d4a..000000000000
> --- a/drivers/gpu/drm/i915/Makefile.header-test
> +++ b/drivers/gpu/drm/i915/Makefile.header-test
> @@@ -2,18 -2,28 +2,28 @@@
>   # Copyright © 2019 Intel Corporation
>   
>   # Test the headers are compilable as standalone units
>  -header_test := \
>  +header-test-$(CONFIG_DRM_I915_WERROR) := \
>   	i915_active_types.h \
> + 	i915_debugfs.h \
> + 	i915_drv.h \
>   	i915_gem_context_types.h \
> + 	i915_gem_pm.h \
> + 	i915_irq.h \
> + 	i915_params.h \
>   	i915_priolist_types.h \
> + 	i915_reg.h \
>   	i915_scheduler_types.h \
>   	i915_timeline_types.h \
> + 	i915_utils.h \
> + 	intel_acpi.h \
> + 	intel_atomic.h \
>   	intel_atomic_plane.h \
>   	intel_audio.h \
> + 	intel_bios.h \
>   	intel_cdclk.h \
>   	intel_color.h \
> + 	intel_combo_phy.h \
>   	intel_connector.h \
> - 	intel_context_types.h \
>   	intel_crt.h \
>   	intel_csr.h \
>   	intel_ddi.h \
> @@@ -31,7 -54,22 +54,12 @@@
>   	intel_pipe_crc.h \
>   	intel_pm.h \
>   	intel_psr.h \
> + 	intel_quirks.h \
> + 	intel_runtime_pm.h \
>   	intel_sdvo.h \
> + 	intel_sideband.h \
>   	intel_sprite.h \
>   	intel_tv.h \
> - 	intel_workarounds_types.h
> + 	intel_uncore.h \
> + 	intel_vdsc.h \
> + 	intel_wakeref.h
>  -
>  -quiet_cmd_header_test = HDRTEST $@
>  -      cmd_header_test = echo "\#include \"$(<F)\"" > $@
>  -
>  -header_test_%.c: %.h
>  -	$(call cmd,header_test)
>  -
>  -i915-$(CONFIG_DRM_I915_WERROR) += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h)))
>  -
>  -clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h)))

I am still getting this conflict (the commit ids may have changed).
Just a reminder in case you think Linus may need to know.

-- 
Cheers,
Stephen Rothwell

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